Camera Optical Lens

ABSTRACT

The present invention discloses a camera optical lens including, from an object side to an image side in sequence a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a refractive power, a fourth lens having a positive refractive power, and a fifth lens having a negative refractive power. The camera optical lens satisfies the following conditions: 0.70≤f1/f≤1.00, 3.00≤R3/R4≤15.00, 2.00≤R6/R5≤10.00, −12.00≤R7/R8≤−1.50, and −15.00≤R9/R10≤−3.00. The camera optical lens according to the present invention has excellent optical characteristics, such as large aperture, wide angle, and ultra-thin.

FIELD OF THE PRESENT INVENTION

The present invention relates to the field of optical lens, and more particularly, to a camera optical lens suitable for handheld terminal devices, such as smart phones and digital cameras, and imaging devices, such as monitors or PC lenses.

DESCRIPTION OF RELATED ART

In recent years, with the rise of various smart devices, the demand for miniaturized camera optics has been increasing, and the pixel size of photosensitive devices has shrunk, coupled with the development trend of electronic products with good functions, thin and portable appearance. Therefore, miniaturized imaging optical lenses with good image quality have become the mainstream in the current market. In order to obtain better imaging quality, a multi-piece lenses structure is often used. Moreover, with the development of technology and the increase of diversified needs of users, as the pixel area of the photosensitive device continues to shrink and the system's requirements for image quality continue to increase, the five-element lenses structure gradually appears in the lens design. There is an urgent need for a wide-angle imaging lens with excellent optical characteristics, small size, and fully corrected aberrations.

SUMMARY

In the present invention, a cameral optical lens has excellent optical characteristics with large aperture, ultra-thin and wide angle.

According to one aspect of the present invention, a camera optical lens comprises, from an object side to an image side in sequence, a first lens having a positive refractive power, a second lens having a refractive power, a third lens having a refractive power, a fourth lens having a positive refractive power, and a fifth lens having a negative refractive power. The camera optical lens satisfies the following conditions: 0.70≤f1/f≤1.00, 3.00≤R3/R4≤15.00, 2.00≤R6/R5≤10.00, −12.00≤R7/R8≤−1.50, and −15.00≤R9/R10≤−3.00. f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, R3 denotes a central curvature radius of an object side surface of the second lens, R4 denotes a central curvature radius of an image side surface of the second lens, R5 denotes a central curvature radius of an object side surface of the third lens, R6 denotes a central curvature radius of an image side surface of the third lens, R7 denotes a central curvature radius of an object side surface of the fourth lens, R8 denotes a central curvature radius of an image side surface of the fourth lens, R9 denotes a central curvature radius of an object side surface of the fifth lens, and R10 denotes a central curvature radius of an image side surface of the fifth lens.

As an improvement, the camera optical lens further satisfies the following condition: 1.00≤d5/d6≤3.00. d5 denotes an on-axis thickness of the third lens, and d6 denotes an on-axis distance from the image side surface of the third lens to the object side surface of the fourth lens.

As an improvement, the first lens has an object side surface being convex in a paraxial region. The camera optical lens further satisfies the following conditions: −4.81≤(R1+R2)/(R1−R2)≤−0.62 and 0.06≤d1/TTL≤0.22. R1 denotes a central curvature radius of an object side surface of the first lens, R2 denotes a central curvature radius of the image side surface of the first lens, d1 denotes an on-axis thickness of the first lens, and TTL denotes a total optical length from the object side surface of the first lens of the camera optical lens to an image surface of the camera optical lens along an optical axis.

As an improvement, the camera optical lens further satisfies the following conditions: −4.99≤f2/f≤169.64, 0.57≤(R3+R4)/(R3−R4)≤3.00, and 0.02≤d3/TTL≤0.11. f2 denotes a focal length of the second lens, d3 denotes an on-axis thickness of the second lens, and TTL denotes a total optical length from an object side surface of the first lens of the camera optical lens to an image surface of the camera optical lens along an optical axis.

As an improvement, the camera optical lens further satisfies the following conditions: f3/f≥−16.04, −5.97≤(R5+R6)/(R5−R6)≤−0.81, and 0.05≤d5/TTL≤0.24. f3 denotes a focal length of the third lens, d5 denotes an on-axis thickness of the third lens, and TTL denotes a total optical length from an object side surface of the first lens of the camera optical lens to an image surface of the camera optical lens along an optical axis.

As an improvement, the object side surface of the fourth lens is convex in a paraxial region and the image side surface of the fourth lens is convex in the paraxial region. The camera optical lens further satisfies the following conditions: 0.33≤f4/f≤1.29, 0.10≤(R7+R8)/(R7−R8)≤1.27, and 0.05≤d7/TTL≤0.20. f4 denotes a focal length of the fourth lens, d7 denotes an on-axis thickness of the fourth lens, and TTL denotes a total optical length from an object side surface of a first lens of the camera optical lens to an image surface of the camera optical lens along an optical axis.

As an improvement, the object side surface of the fifth lens is concave in a paraxial region and the image side surface of the fifth lens is concave in the paraxial region. The camera optical lens further satisfies the following conditions: −1.19≤5/f≤−0.38, 0.25≤(R9+R10)/(R9−R10)≤1.31, and 0.04≤d9/TTL≤0.15. f5 denotes a focal length of the fifth lens, d9 denotes an on-axis thickness of the fifth lens, and TTL denotes a total optical length from an object side surface of the first lens of the camera optical lens to an image surface of the camera optical lens along an optical axis.

As an improvement, the camera optical lens further satisfies the following condition: 0.49≤f12/f≤1.82. f12 denotes a combined focal length of the first lens and the second lens.

As an improvement, the camera optical lens further satisfies the following condition: FOV≥74.68°. FOV denotes a field of view of the camera optical lens in a diagonal direction.

As an improvement, the camera optical lens further satisfies following condition: TTL/IH≤1.52. IH denotes an image height of the camera optical lens, and TTL denotes a total optical length from an object side surface of the first lens of the camera optical lens to an image surface of the camera optical lens along an optical axis

BRIEF DESCRIPTION OF THE DRAWINGS

In order to explain the technical solutions in the embodiments of the present invention more clearly, the following will briefly introduce the drawings that need to be used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative work, other drawings can be obtained based on these drawings, among which:

FIG. 1 is a schematic diagram of a structure of a camera optical lens in accordance with Embodiment 1 of the present invention;

FIG. 2 is a schematic diagram of a longitudinal aberration of the camera optical lens shown in FIG. 1 ;

FIG. 3 is a schematic diagram of a lateral color of the camera optical lens shown in FIG. 1 ;

FIG. 4 is a schematic diagram of a field curvature and a distortion of the camera optical lens shown in FIG. 1 ;

FIG. 5 is a schematic diagram of a structure of a camera optical lens in accordance with Embodiment 2 of the present invention;

FIG. 6 is a schematic diagram of a longitudinal aberration of the camera optical lens shown in FIG. 5 ;

FIG. 7 is a schematic diagram of a lateral color of the camera optical lens shown in FIG. 5 ;

FIG. 8 is a schematic diagram of a field curvature and a distortion of the camera optical lens shown in FIG. 5 ;

FIG. 9 is a schematic diagram of a structure of a camera optical lens in accordance with Embodiment 3 of the present invention;

FIG. 10 is a schematic diagram of a longitudinal aberration of the camera optical lens shown in FIG. 9 ;

FIG. 11 is a schematic diagram of a lateral color of the camera optical lens shown in FIG. 9 ; and

FIG. 12 is a schematic diagram of a field curvature and a distortion of the camera optical lens shown in FIG. 9 .

FIG. 13 is a schematic diagram of a structure of a camera optical lens in accordance with Embodiment 4 of the present invention;

FIG. 14 is a schematic diagram of a longitudinal aberration of the camera optical lens shown in FIG. 13 ;

FIG. 15 is a schematic diagram of a lateral color of the camera optical lens shown in FIG. 13 ;

FIG. 16 is a schematic diagram of a field curvature and a distortion of the camera optical lens shown in FIG. 13 .

FIG. 17 is a schematic diagram of a structure of a camera optical lens in accordance with Embodiment 5 of the present invention;

FIG. 18 is a schematic diagram of a longitudinal aberration of the camera optical lens shown in FIG. 17 ;

FIG. 19 is a schematic diagram of a lateral color of the camera optical lens shown in FIG. 17 ;

FIG. 20 is a schematic diagram of a field curvature and a distortion of the camera optical lens shown in FIG. 17 .

FIG. 21 is a schematic diagram of a structure of a camera optical lens in accordance with comparative Embodiment;

FIG. 22 is a schematic diagram of a longitudinal aberration of the camera optical lens shown in FIG. 21 ;

FIG. 23 is a schematic diagram of a lateral color of the camera optical lens shown in FIG. 21 ; and

FIG. 24 is a schematic diagram of a field curvature and a distortion of the camera optical lens shown in FIG. 21 .

DETAILED DESCRIPTION OF THE EXEMPLARY EMBODIMENTS

In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be described in detail below. However, it will be apparent to the one skilled in the art that, in the various embodiments of the present invention, a number of technical details are presented in order to provide the reader with a better understanding of the invention. However, the technical solutions claimed in the present invention can be implemented without these technical details and various changes and modifications based on the following embodiments.

Embodiment 1

As referring to the accompanying drawings, the present invention provides a camera optical lens 10. FIG. 1 shows the camera optical lens 10 according to Embodiment 1 of the present invention. The camera optical lens 10 comprises five-piece lenses. Specifically, from an object side to an image side, the camera optical lens 10 comprises in sequence: an aperture S1, a first lens L1, a second lens L2, a third lens L3, a fourth lens L4 and a fifth lens L5. Optical elements like optical filter GF can be arranged between the fifth lens L5 and an image surface Si.

The first lens L1 has a positive refractive power. The second lens L2 has a negative refractive power. The third lens L3 has a negative refractive power. The fourth lens L4 has a positive refractive power. The fifth lens L5 has a negative refractive power. In other optional embodiments, a refractive power of each lens may also be made of other options.

The first lens L1 is made of plastic material, the second lens L2 is made of plastic material, the third lens L3 is made of plastic material, the fourth lens L4 is made of plastic material and the fifth lens L5 is made of plastic material. In other optional embodiments, each lens may also be made of other materials.

A focal length of the first lens L1 is defined as f1. The camera optical lens 10 further satisfies the following condition: 0.70≤f1/f≤1.00, which specifies a ratio of the focal length f1 of the first lens L1 to the focal length f of the camera optical lens 10. When the above condition is satisfied, an amount of the field curvature of the camera optical lens 10 can be effectively balanced, so that an offset amount of the field curvature of a center field lower than 0.01 mm.

A central curvature radius of an object side surface of the second lens L2 is defined as R3, and a central curvature radius of an image side surface of the second lens L2 is defined as R4. The camera optical lens 10 further satisfies the following condition: 3.00≤R3/R4≤15.00, which specifies a shape of the second lens L2. It is beneficial for correcting astigmatism and distortion of the camera optical lens, so that |Distortion|≤1.6%, and brightness or saturation can be maintained.

A central curvature radius of an object side surface of the third lens L3 is defined as R5, and a central curvature radius of an image side surface of the third lens L3 is defined as R6. The camera optical lens 10 further satisfies the following condition: 2.00≤R6/R5≤10.00, which specifies a shape of the third lens L3. It can reduce a deflection of light and effectively correct a chromatism, so that the chromatism |LC|≤2.0 μm.

A central curvature radius of an object side surface of the fourth lens L4 is defined as R7, and a central curvature radius of an image side surface of the fourth lens L4 is defined as R8. The camera optical lens further satisfies the following condition: −12.00≤R7/R8≤−1.50, which specifies a shape of the fourth lens L4. When the value is within this range, a curvature of a surface of the lens is reasonably distributed, and it is beneficial for molding and assembling the lens.

A central curvature radius of an object side surface of the fifth lens L5 is defined as R9, and a central curvature radius of an image side surface of the fifth lens L5 is defined as R10. The camera optical lens further satisfies the following condition: −15.00≤R9/R10≤−3.00, which specifies a shape of the fifth lens L5. When the value is within this range, a curvature of a surface of the lens is reasonably distributed, and it is beneficial for molding and assembling the lenses.

An on-axis thickness of the third lens L3 is defined as d5. An on-axis distance from the image side surface of the third lens L3 to the object side surface of the fourth lens L4 is defined as d6. The camera optical lens 10 further satisfies the following condition: 1.00≤d5/d6≤3.00, which specifies a ratio of the on-axis thickness d5 of the third lens L3 to the on-axis distance from the image side surface of the third lens L3 to the object side surface of the fourth lens L4. When the value is within this range, it benefits for reducing a total optical length, thereby realizing the ultra-thin effect.

In the present embodiment, an object side surface of the first lens L1 is convex in a paraxial region and an image side surface of the first lens L1 is concave in the paraxial region. In other optional embodiments, the object side surface and the image side surface of the first lens L1 can also be set to other concave and convex distribution situations.

A total optical length from the object side surface of the first lens L1 to the image surface Si of the camera optical lens 10 along an optical axis is defined as TTL. An on-axis thickness of the first lens L1 is defined as d1. The camera optical lens 10 further satisfies the following condition: 0.06≤d1/TTL≤0.22, which specifies a ratio of the on-axis thickness of the first lens L1 to the total optical length of the camera optical lens 10. When the value is within this range, it benefits for realizing the ultra-thin effect. Preferably, the following condition shall be satisfied, 0.10≤d1/TTL≤0.17.

A central curvature radius of the object side surface of the first lens L1 is defined as R1, and a central curvature radius of the image side surface of the first lens L1 is defined as R2. The camera optical lens 10 further satisfies the following condition: −4.81≤(R1+R2)/(R1−R2)≤−0.62. This condition reasonably controls a shape of the first lens L1, so that the first lens L1 can effectively correct a spherical aberration of the camera optical lens 10. Preferably, the following condition shall be satisfied, −3.01≤(R1+R2)/(R1−R2)≤−0.77.

In the present embodiment, the object side surface of the second lens L2 is convex in the paraxial region and the image side surface of the second lens L2 is concave in the paraxial region. In other optional embodiments, the object side surface and the image side surface of the second lens L2 can also be set to other concave and convex distribution situations.

The focal length of the camera optical lens 10 is defined as f, and a focal length of the second lens L2 is defined as f2. The camera optical lens 10 further satisfies the following condition: −4.99≤f2/f≤169.64, which specifies a ratio of the focal length f2 of the second lens L2 to the focal length f of the camera optical lens 10. It benefits for correcting an aberration of the camera optical lens 10 by controlling the refractive power of the second lens L2 being within reasonable range. Preferably, the following condition shall be satisfied, −3.12≤f2/f≤135.71.

The central curvature radius of the object side surface of the second lens L2 is defined as R3, and the central curvature radius of the image side surface of the second lens L2 is defined as R4. The camera optical lens 10 further satisfies the following condition: 0.57≤(R3+R4)/(R3−R4)≤3.00, which specifies a shape of the second lens L2. When the value is within this range, as the camera optical lens 10 develops toward ultra-thin and wide-angle, it benefits for correcting the problem of an on-axis chromatic aberration. Preferably, the following condition shall be satisfied, 0.91≤(R3+R4)/(R3−R4)≤2.40.

An on-axis thickness of the second lens L2 is defined as d3. The total optical length from the object side surface of the first lens L1 to the image surface S1 of the camera optical lens 10 along the optical axis is defined as TTL. The camera optical lens 10 further satisfies the following condition: 0.02≤d3/TTL≤0.11. When the value is within this range, it benefits for realizing the ultra-thin effect. Preferably, the following condition shall be satisfied, 0.03≤d3/TTL≤0.08.

In the present embodiment, the object side surface of the third lens L3 is concave in the paraxial region and the image side surface of the third lens L3 is convex in the paraxial region. In other optional embodiments, the object side surface and the image side surface of the third lens L3 can also be set to other concave and convex distribution situations.

The focal length of the camera optical lens 10 is defined as f, and a focal length of the third lens L3 is defined as f3. The camera optical lens 10 further satisfies the following condition: f3/f≥−16.04, which specifies a ratio of the focal length of the third lens L3 to the focal length of the camera optical lens 10. It benefits for correcting the aberration of the camera optical lens 10 by controlling the refractive power of the third lens L3 being within reasonable range. Preferably, the following condition shall be satisfied, f3/f≥−10.02.

The central curvature radius of the object side surface of the third lens L3 is defined as R5, and the central curvature radius of the image side surface of the third lens L3 is defined as R6. The camera optical lens 10 further satisfies the following condition: −5.97≤(R5+R6)/(R5−R6)≤−0.81, which specifies a shape of the third lens L3. When the value is within this range, a degree of deflection of light passing through the lens can be alleviated, and the aberration can be reduced effectively. Preferably, the following condition shall be satisfied, −3.73≤(R5+R6)/(R5−R6)≤−1.02.

An on-axis thickness of the third lens L3 is defined as d5. The total optical length from the object side surface of the first lens L1 to the image surface S1 of the camera optical lens 10 along the optical axis is defined as TTL. The camera optical lens 10 further satisfies the following condition: 0.05≤d5/TTL≤0.24, which benefits for realizing the ultra-thin effect. Preferably, the following condition shall be satisfied, 0.08≤d5/TTL≤0.19.

In the present embodiment, the object side surface of the fourth lens L4 is convex in the paraxial region and the image side surface of the fourth lens L4 is convex in the paraxial region. In other optional embodiments, the object side surface and the image side surface of the fourth lens L4 can also be set to other concave and convex distribution situations.

The focal length of the camera optical lens 10 is defined as f, and a focal length of the fourth lens L4 is defined as f4. The camera optical lens 10 further satisfies the following condition: 0.33≤f4/f≤1.29. By a reasonable distribution of the refractive power, which makes it is possible that the camera optical lens 10 has an excellent imaging quality and a lower sensitivity. Preferably, the following condition shall be satisfied, 0.53≤f4/f≤1.03.

The curvature radius of the object side surface of the fourth lens L4 is defined as R7, and the central curvature radius of the image side surface of the fourth lens L4 is defined as R8. The camera optical lens further satisfies the following condition: 0.10≤(R7+R8)/(R7−R8)≤1.27, which specifies a shape of the fourth lens L4. When the value is within this range, as the development of ultra-thin and wide-angle lenses, it benefits for solving the problems, such as correcting an off-axis aberration. Preferably, the following condition shall be satisfied, 0.16≤(R7+R8)/(R7−R8)≤1.01.

An on-axis thickness of the fourth lens L4 is defined as d7. The total optical length from the object side surface of the first lens L1 to the image surface S1 of the camera optical lens 10 along the optical axis is defined as TTL. The camera optical lens 10 further satisfies the following condition: 0.05≤d7/TTL≤0.20, which benefits for realizing the ultra-thin effect. Preferably, the following condition shall be satisfied, 0.08≤d7/TTL≤0.16.

In the present embodiment, the object side surface of the fifth lens L5 is concave in the paraxial region and the image side surface of the fifth lens L5 is concave in the paraxial region. In other optional embodiments, the object side surface and the image side surface of the fifth lens L5 can also be set to other concave and convex distribution situations.

The focal length of the camera optical lens 10 is defined as f, and a focal length of the fifth lens L5 is defined as f5. The camera optical lens 10 further satisfies the following condition: −1.19≤f5/f≤−0.38, a light angle of the camera optical lens 10 can be smoothed effectively and the sensitivity of the tolerance can be reduced. Preferably, the following condition shall be satisfied, −0.75≤f5/f≤−0.48.

The central curvature radius of the object side surface of the fifth lens L5 is defined as R9, and the central curvature radius of the image side surface of the fifth lens L5 is defined as R10. The camera optical lens further satisfies the following condition: 0.25≤(R9+R10)/(R9−R10)≤1.31, which specifies a shape of the fifth lens L5. When the value is within this range, as the development of the ultra-thin and wide-angle lenses, it benefits for solving the problems, such as correcting the off-axis aberration. Preferably, the following condition shall be satisfied, 0.40≤(R9+R10)/(R9−R10)≤1.05.

An on-axis thickness of the fifth lens L5 is defined as d9. The total optical length from the object side surface of the first lens L1 to the image surface S1 of the camera optical lens 10 along the optical axis is defined as TTL. The camera optical lens 10 further satisfies the following condition: 0.04≤d9/TTL≤0.15. When the value is within this range, it benefits for realizing the ultra-thin effect. Preferably, the following condition shall be satisfied, 0.06≤d9/TTL≤0.12.

In the present embodiment, the focal length of the camera optical lens 10 is f, and a combined focal length of the first lens L1 and the second lens L2 is defined as f12. The camera optical lens 10 further satisfies the following condition: 0.49≤f12/f≤1.82. This condition can eliminate aberration and distortion of the camera optical lens 10, reduce the back focal length of the camera optical lens 10, and maintain the miniaturization of the camera optical lens 10. Preferably, the following condition shall be satisfied, 0.79≤f12/f≤1.46.

In the present embodiment, a field of view of the camera optical lens 10 in a diagonal direction is defined as FOV. The FOV is greater than or equal to 74.68°, thereby achieving the wide-angle performance. Preferably, the FOV is greater than or equal to 76.00°.

In the present embodiment, an image height of the camera optical lens 10 is defined as IH. The total optical length from the object side surface of the first lens L1 to the image surface S1 of the camera optical lens 10 along an optical axis is defined as TTL. The camera optical lens 10 further satisfies the following condition: TTL/IH≤1.52, thereby achieving the ultra-thin performance. Preferably, the following condition shall be satisfied, TTL/IH≤1.45.

In the present embodiment, an F number (FNO) of the camera optical lens 10 is smaller than or equal to 2.30, thereby achieving a large aperture and good imaging performance. Preferably, the FNO of the camera optical lens 10 is smaller than or equal to 2.25.

When satisfying above conditions, which makes it is possible that the camera optical lens has excellent optical performances, and meanwhile can meet design requirements of the ultra-thin, wide-angle lenses having large aperture. According the characteristics of the camera optical lens 10, it is particularly suitable for a mobile camera lens component and a WEB camera lens composed of high pixel CCD, CMOS.

The following examples will be used to describe the camera optical lens 10 of the present invention. The symbols recorded in each example will be described as follows. The focal length, on-axis distance, central curvature radius, on-axis thickness, inflexion point position, and arrest point position are all in units of mm.

TTL: the total optical length from the object side surface of the first lens L1 to the image surface S1 of the camera optical lens 10 along the optical axis, the unit of TTL is mm.

F number (FNO): the ratio of an effective focal length of the camera optical lens 10 to an entrance pupil diameter (ENPD).

Preferably, inflexion points and/or arrest points can also be arranged on the object side surface and/or image side surface of the lens, so that the demand for high quality imaging can be satisfied, the description below can be referred for specific implementable scheme.

The design information of the camera optical lens 10 in Embodiment 1 of the present invention is shown in the tables 1 and 2.

TABLE 1 R d nd vd S1  ∞  d0 = −0.195 R1  1.313  d1 =  0.600 nd1 1.5444 v1 55.82 R2  7.807  d2 =  0.033 R3  10.406  d3 =  0.292 nd2 1.6610 v2 20.53 R4  3.406  d4 =  0.338 R5  −8.180  d5 =  0.484 nd3 1.5444 v3 55.82 R6  −17.467  d6 =  0.404 R7  7.657  d7 =  0.427 nd4 1.5444 v4 55.82 R8  −1.965  d8 =  0.303 R9  −8.106  d9 =  0.332 nd5 1.5346 v5 55.69 R10 1.342 d10 =  0.429 R11 ∞ d11 =  0.210 ndg 1.5168 vg 64.17 R12 ∞ d12 =  0.288

where, the meaning of the various symbols is as follows.

S1: aperture;

R: curvature radius of an optical surface, a central curvature radius for a lens;

R1: central curvature radius of the object side surface of the first lens L1;

R2: central curvature radius of the image side surface of the first lens L1;

R3: central curvature radius of the object side surface of the second lens L2;

R4: central curvature radius of the image side surface of the second lens L2;

R5: central curvature radius of the object side surface of the third lens L3;

R6: central curvature radius of the image side surface of the third lens L3;

R7: central curvature radius of the object side surface of the fourth lens L4;

R8: central curvature radius of the image side surface of the fourth lens L4;

R9: central curvature radius of the object side surface of the fifth lens L5;

R10: central curvature radius of the image side surface of the fifth lens L5;

R11: central curvature radius of an object side surface of the optical filter GF;

R12: curvature radius of an image side surface of the optical filter GF;

d: on-axis thickness of a lens and an on-axis distance between lenses;

d0: on-axis distance from the aperture S1 to the object side surface of the first lens L1;

d1: on-axis thickness of the first lens L1;

d2: on-axis distance from the image side surface of the first lens L1 to the object side surface of the second lens L2;

d3: on-axis thickness of the second lens L2;

d4: on-axis distance from the image side surface of the second lens L2 to the object side surface of the third lens L3;

d5: on-axis thickness of the third lens L3;

d6: on-axis distance from the image side surface of the third lens L3 to the object side surface of the fourth lens L4;

d7: on-axis thickness of the fourth lens L4;

d8: on-axis distance from the image side surface of the fourth lens L4 to the object side surface of the fifth lens L5;

d9: on-axis thickness of the fifth lens L5;

d10: on-axis distance from the image side surface of the fifth lens L5 to the object side surface of the optical filter GF;

d11: on-axis thickness of the optical filter GF;

d12: on-axis distance from the image side surface of the optical filter GF to the image surface;

nd: refractive index of d line (d-line is green light with a wavelength of 550 nm);

nd1: refractive index of d line of the first lens L1;

nd2: refractive index of d line of the second lens L2;

nd3: refractive index of d line of the third lens L3;

nd4: refractive index of d line of the fourth lens L4;

nd5: refractive index of d line of the fifth lens L5;

ndg: refractive index of d line of the optical filter GF;

vd: abbe number;

v1: abbe number of the first lens L1;

v2: abbe number of the second lens L2;

v3: abbe number of the third lens L3;

v4: abbe number of the fourth lens L4;

v5: abbe number of the fifth lens L5;

vg: abbe number of the optical filter GF;

Table 2 shows the aspherical surface data of the camera optical lens 10 in Embodiment 1 of the present invention.

TABLE 2 Conic coefficient Aspheric surface coefficients k A4 A6 A8 A10 A12 R1  1.9212E−01 −4.4166E−02  3.8073E−01 −3.6658E+00  2.0361E+01 −7.1447E+01  R2  −6.7958E+01  −2.9083E−01  4.9232E−01 −1.6367E+00  1.6107E+01 −8.4388E+01  R3  1.3335E+01 −2.5435E−01  4.8103E−01 1.9580E−01 4.0139E+00 −3.8251E+01  R4  −2.2352E+01  3.9484E−02 7.4781E−01 −6.4296E+00  4.8456E+01 −2.2186E+02  R5  3.1521E+01 −2.3349E−01  3.1606E−01 −3.2649E+00  2.1943E+01 −8.6869E+01  R6  9.9003E+01 −1.8347E−01  −2.5618E−02  −9.3224E−02  1.1885E+00 −3.5883E+00  R7  −4.3895E+01  1.7139E−01 −6.1064E−01  1.3465E+00 −2.1215E+00  2.1780E+00 R8  9.7255E−02 4.4084E−01 −8.4651E−01  1.3323E+00 −1.3388E+00  8.3874E−01 R9  1.2747E+01 −1.7440E−01  −2.8462E−01  6.7051E−01 −5.4248E−01  2.4214E−01 R10 −7.9285E+00  −1.8527E−01  7.4058E−02 1.6928E−02 −3.4654E−02  1.7986E−02 Conic coefficient Aspheric surface coefficients k A14 A16 A18 A20 R1  1.9212E−01 1.5680E+02 −2.0922E+02  1.5488E+02 −4.8858E+01  R2  −6.7958E+01  2.3385E+02 −3.6874E+02  3.1555E+02 −1.1446E+02  R3  1.3335E+01 1.2532E+02 −2.1249E+02  1.8986E+02 −7.1321E+01  R4  −2.2352E+01  6.1476E+02 −1.0099E+03  9.0773E+02 −3.4428E+02  R5  3.1521E+01 2.0622E+02 −2.9016E+02  2.2449E+02 −7.3966E+01  R6  9.9003E+01 5.7101E+00 −5.1294E+00  2.4962E+00 −5.1490E−01  R7  −4.3895E+01  −1.4596E+00  6.0751E−01 −1.4002E−01  1.3516E−02 R8  9.7255E−02 −3.2980E−01  7.9531E−02 −1.0772E−02  6.2873E−04 R9  1.2747E+01 −6.5632E−02  1.0814E−02 −1.0012E−03  4.0109E−05 R10 −7.9285E+00  −5.0724E−03  8.3667E−04 −7.5625E−05  2.8883E−06

For convenience, an aspheric surface of each lens surface uses the aspheric surfaces shown in the below condition (1). However, the present invention is not limited to the aspherical polynomials form shown in the condition (1).

z=(cr ²)/{1+[1−(k+1)(c ² r ²)]^(1/2) }+A4r ⁴ +A6r ⁶ +A8r ⁸ +A10r ¹⁰ +A12r ¹² +A14r ¹⁴ +A16r ¹⁶ +A18r ¹⁸ +A20r ²⁰  (1)

Where, K is a conic coefficient, A4, A6, A8, A10, A12, A14, A16, A18, A20 are aspheric surface coefficients. c is the curvature at the center of the optical surface. r is a vertical distance between a point on an aspherical curve and the optic axis, and z is an aspherical depth (a vertical distance between a point on an aspherical surface, having a distance of r from the optic axis, and a surface tangent to a vertex of the aspherical surface on the optic axis).

Table 3 and Table 4 show design data of inflexion points and arrest points of respective lens in the camera optical lens 10 according to Embodiment 1 of the present invention. P1R1 and P1R2 represent the object side surface and the image side surface of the first lens L1, P2R1 and P2R2 represent the object side surface and the image side surface of the second lens L2, P3R1 and P3R2 represent the object side surface and the image side surface of the third lens L3, P4R1 and P4R2 represent the object side surface and the image side surface of the fourth lens L4, and P5R1 and P5R2 represent the object side surface and the image side surface of the fifth lens L5. The data in the column named “inflexion point position” refers to vertical distances from inflexion points arranged on each lens surface to the optical axis of the camera optical lens 10. The data in the column named “arrest point position” refers to vertical distances from arrest points arranged on each lens surface to the optical axis of the camera optical lens 10.

TABLE 3 Number of Inflexion Inflexion Inflexion Inflexion inflexion point point point point points position 1 position 2 position 3 position 4 P1R1 1 0.775 / / / P1R2 1 0.205 / / / P2R1 3 0.205 0.405 0.755 / P2R2 0 / / / / P3R1 0 / / / / P3R2 2 0.925 1.085 / / P4R1 2 0.625 1.325 / / P4R2 2 0.575 0.955 / / P5R1 2 0.955 2.085 / / P5R2 4 0.435 2.075 2.205 2.305

TABLE 4 Arrest point Number of arrest points Arrest point position 1 position 2 P1R1 0 / / P1R2 1 0.385 / P2R1 0 / / P2R2 0 / / P3R1 0 / / P3R2 0 / / P4R1 1 0.885 / P4R2 0 / / P5R1 2 1.965 2.125 P5R2 1 0.975 /

FIG. 2 and FIG. 3 respectively illustrate a longitudinal aberration and a lateral color of light with wavelengths of 650 nm, 610 nm, 555 nm, 510 nm, 470 nm and 435 nm after passing the camera optical lens 10 according to Embodiment 1. FIG. 4 illustrates a field curvature and a distortion of light with a wavelength of 555 nm after passing the camera optical lens 10 according to Embodiment 1, in which a field curvature S is a field curvature in a sagittal direction and T is a field curvature in a tangential direction.

Table 25 in the following shows various values of Embodiments 1, 2, 3, 4 and Comparative Embodiment, and also values corresponding to parameters which are specified in the above conditions. As shown in Table 25, Embodiment 1 satisfies the above conditions.

As shown in Table 25, Embodiment 1 satisfies the above conditions.

In the present embodiment, the entrance pupil diameter (ENPD) of the camera optical lens 10 is 1.605 mm. The image height of 1.0H is 2.897 mm. The FOV is 76.20°. Thus, the camera optical lens 10 satisfies design requirements of large aperture, ultra-thin and wide-angle while the on-axis and off-axis aberrations are sufficiently corrected, thereby achieving excellent optical characteristics.

Embodiment 2

Embodiment 2 is basically the same as Embodiment 1, the meaning of its symbols is the same as that of Embodiment 1, in the following, only the differences are listed. An image side surface of a first lens Lil is convex in a paraxial region.

FIG. 5 shows a schematic diagram of a structure of a camera optical lens 20 according to Embodiment 2 of the present invention. Table 5 and table 6 show the design data of a camera optical lens 20 in Embodiment 2 of the present invention.

TABLE 5 R d nd vd S1  ∞  d0 = −0.186 R1  1.357  d1 =  0.542 nd1 1.5444 v1 55.82 R2  −35.146  d2 =  0.033 R3  45.164  d3 =  0.230 nd2 1.6610 v2 20.53 R4  3.013  d4 =  0.399 R5  −5.413  d5 =  0.670 nd3 1.5444 v3 55.82 R6  −54.115  d6 =  0.224 R7  3.004  d7 =  0.482 nd4 1.5444 v4 55.82 R8  −1.992  d8 =  0.303 R9  −8.726  d9 =  0.348 nd5 1.5346 v5 55.69 R10 1.251 d10 =  0.438 R11 ∞ d11 =  0.210 ndg 1.5168 vg 64.17 R12 ∞ d12 =  0.312

Table 6 shows aspherical surface data of each lens of the camera optical lens 20 in Embodiment 2 of the present invention.

TABLE 6 Conic coefficient Aspheric surface coefficients k A4 A6 A8 A10 A12 R1  2.1288E−01 −5.1244E−02  3.9774E−01 −3.7259E+00  2.0368E+01 −7.1461E+01  R2  −1.0000E+03  −9.9397E−02  3.0178E−01 −1.8236E+00  1.6188E+01 −8.4026E+01  R3  1.0000E+03 −1.2239E−02  2.9544E−01 −3.8027E−02  4.0925E+00 −3.7936E+01  R4  −2.7195E+01  1.7559E−01 6.8397E−01 −6.6434E+00  4.8634E+01 −2.2154E+02  R5  1.5196E+01 −1.8507E−01  3.2615E−01 −3.1641E+00  2.1715E+01 −8.7222E+01  R6  7.0499E+02 −2.9956E−01  6.8980E−02 −1.7912E−01  1.1991E+00 −3.5707E+00  R7  −1.8033E+01  1.0911E−01 −5.7448E−01  1.3406E+00 −2.1284E+00  2.1792E+00 R8  3.8065E−02 4.3918E−01 −8.4691E−01  1.3329E+00 −1.3387E+00  8.3878E−01 R9  1.5011E+01 −1.8676E−01  −2.8259E−01  6.7112E−01 −5.4247E−01  2.4212E−01 R10 −6.9022E+00  −1.7589E−01  6.9100E−02 1.7884E−02 −3.4630E−02  1.7974E−02 Conic coefficient Aspheric surface coefficients k A14 A16 A18 A20 R1  2.1288E−01 1.5678E+02 −2.0909E+02  1.5497E+02 −4.9218E+01  R2  −1.0000E+03  2.3422E+02 −3.6897E+02  3.1434E+02 −1.1383E+02  R3  1.0000E+03 1.2586E+02 −2.1236E+02  1.8983E+02 −7.3439E+01  R4  −2.7195E+01  6.1491E+02 −1.0101E+03  9.0720E+02 −3.4500E+02  R5  1.5196E+01 2.0644E+02 −2.8943E+02  2.2500E+02 −7.4785E+01  R6  7.0499E+02 5.6986E+00 −5.1494E+00  2.4887E+00 −4.9646E−01  R7  −1.8033E+01  −1.4581E+00  6.0782E−01 −1.4007E−01  1.3420E−02 R8  3.8065E−02 −3.2979E−01  7.9534E−02 −1.0773E−02  6.2777E−04 R9  1.5011E+01 −6.5636E−02  1.0813E−02 −1.0012E−03  4.0149E−05 R10 −6.9022E+00  −5.0739E−03  8.3666E−04 −7.5610E−05  2.8902E−06

Table 7 and table 8 show design data of inflexion points and arrest points of respective lens in the camera optical lens 20 according to Embodiment 2 of the present invention.

TABLE 7 Number of Inflexion Inflexion Inflexion Inflexion inflexion point point point point points position 1 position 2 position 3 position 4 P1R1 1 0.735 / / / P1R2 0 / / / / P2R1 1 0.745 / / / P2R2 0 / / / / P3R1 1 0.775 / / / P3R2 2 1.035 1.135 / / P4R1 3 0.565 1.285 1.425 / P4R2 4 0.555 0.985 1.435 1.735 P5R1 3 0.965 1.995 2.005 / P5R2 1 0.455 / / /

TABLE 8 Number of Arrest Arrest arrest points point position 1 point position 2 P1R1 0 / / P1R2 0 / / P2R1 0 / / P2R2 0 / / P3R1 0 / / P3R2 0 / / P4R1 1 0.895 / P4R2 0 / / P5R1 1 1.805 / P5R2 1 1.065 /

FIG. 6 and FIG. 7 respectively illustrate a longitudinal aberration and a lateral color of light with wavelengths of 650 nm, 610 nm, 555 nm, 510 nm, 470 nm and 435 nm after passing the camera optical lens 20 according to Embodiment 2. FIG. 8 illustrates a field curvature and a distortion of light with a wavelength of 555 nm after passing the camera optical lens 10 according to Embodiment 2, in which a field curvature S is a field curvature in a sagittal direction and T is a field curvature in a tangential direction.

As shown in Table 25, Embodiment 2 satisfies the above conditions.

In the present embodiment, an entrance pupil diameter (ENPD) of the camera optical lens is 1.527 mm. An image height of 1.0H is 2.897 mm. An FOV is 79.20°. Thus, the camera optical lens 20 satisfies design requirements of large aperture, ultra-thin and wide-angle while the on-axis and off-axis aberrations are sufficiently corrected, thereby achieving excellent optical characteristics.

Embodiment 3

Embodiment 3 is basically the same as Embodiment 1 and involves symbols having the same meanings as Embodiment 1, and only differences therebetween will be described in the following.

FIG. 9 shows a schematic diagram of a structure of a camera optical lens 30 according to Embodiment 3 of the present invention. Table 9 and table 10 show the design data of the camera optical lens 30 in Embodiment 3 of the present invention.

TABLE 9 R d nd vd S1  ∞  d0 = −0.228 R1  1.262  d1 =  0.543 nd1 1.5444 v1 55.82 R2  5.467  d2 =  0.038 R3  11.680  d3 =  0.230 nd2 1.6610 v2 20.53 R4  3.887  d4 =  0.405 R5  −7.080  d5 =  0.486 nd3 1.5444 v3 55.82 R6  −14.216  d6 =  0.320 R7  20.305  d7 =  0.470 nd4 1.5444 v4 55.82 R8  −1.698  d8 =  0.377 R9  −4.607  d9 =  0.341 nd5 1.5346 v5 55.69 R10 1.531 d10 =  0.433 R11 ∞ d11 =  0.210 ndg 1.5168 vg 64.17 R12 ∞ d12 =  0.290

Table 10 shows aspherical surface data of each lens of the camera optical lens 30 in Embodiment 3 of the present invention.

TABLE 10 Conic coefficient Aspheric surface coefficients k A4 A6 A8 A10 A12 R1  1.3795E−01 −4.7312E−02  4.4041E−01 −3.7315E+00  2.0324E+01 −7.1426E+01  R2  −6.2657E+01  −2.9448E−01  4.4811E−01 −1.5672E+00  1.6282E+01 −8.4242E+01  R3  1.2764E+01 −2.8563E−01  5.1621E−01 3.0250E−01 4.0351E+00 −3.8208E+01  R4  −6.0932E+01  9.6631E−02 8.0222E−01 −6.5048E+00  4.8498E+01 −2.2173E+02  R5  −1.2205E+02  −2.5469E−01  2.6153E−01 −3.1362E+00  2.1877E+01 −8.7362E+01  R6  −5.2788E+02  −1.9804E−01  −8.6631E−02  −9.4858E−02  1.1930E+00 −3.5978E+00  R7  −8.1798E+01  1.5339E−01 −6.5317E−01  1.3789E+00 −2.1388E+00  2.1737E+00 R8  −1.2525E−01  4.0034E−01 −8.1596E−01  1.3308E+00 −1.3394E+00  8.3863E−01 R9  3.9968E+00 −1.7057E−01  −2.8411E−01  6.7096E−01 −5.4243E−01  2.4213E−01 R10 −9.2459E+00  −1.8732E−01  7.4069E−02 1.7217E−02 −3.4702E−02  1.7973E−02 Conic coefficient Aspheric surface coefficients k A14 A16 A18 A20 R1  1.3795E−01 1.5703E+02 −2.0934E+02  1.5453E+02 −4.8620E+01  R2  −6.2657E+01  2.3367E+02 −3.6933E+02  3.1490E+02 −1.1315E+02  R3  1.2764E+01 1.2531E+02 −2.1237E+02  1.8881E+02 −7.0631E+01  R4  −6.0932E+01  6.1500E+02 −1.0094E+03  9.0770E+02 −3.4578E+02  R5  −1.2205E+02  2.0650E+02 −2.8884E+02  2.2263E+02 −7.2557E+01  R6  −5.2788E+02  5.6968E+00 −5.1319E+00  2.5079E+00 −5.0380E−01  R7  −8.1798E+01  −1.4579E+00  6.0894E−01 −1.3965E−01  1.3448E−02 R8  −1.2525E−01  −3.2980E−01  7.9536E−02 −1.0770E−02  6.2905E−04 R9  3.9968E+00 −6.5636E−02  1.0813E−02 −1.0012E−03  4.0253E−05 R10 −9.2459E+00  −5.0735E−03  8.3669E−04 −7.5596E−05  2.9010E−06

Table 11 and table 12 show Embodiment 3 design data of inflexion points and arrest points of respective lens in the camera optical lens 30 according to Embodiment 3 of the present invention.

TABLE 11 Number of Inflexion Inflexion Inflexion Inflexion inflexion point point point point points position 1 position 2 position 3 position 4 P1R1 1 0.785 / / / P1R2 1 0.235 / / / P2R1 2 0.175 0.415 / / P2R2 0 / / / / P3R1 1 0.755 / / / P3R2 1 0.955 / / / P4R1 2 0.465 1.235 / / P4R2 2 0.745 1.005 / / P5R1 1 0.965 / / / P5R2 2 0.425 2.115 / /

TABLE 12 Number of Arrest Arrest arrest points point position 1 point position 2 P1R1 0 / / P1R2 1 0.475 / P2R1 2 0.345 0.465 P2R2 0 / / P3R1 0 / / P3R2 0 / / P4R1 1 0.675 / P4R2 0 / / P5R1 0 / / P5R2 1 0.895 /

FIG. 10 and FIG. 11 respectively illustrate a longitudinal aberration and a lateral color of light with wavelengths of 650 nm, 610 nm, 555 nm, 510 nm, 470 nm and 435 nm after passing the camera optical lens 30 according to Embodiment 3. FIG. 12 illustrates a field curvature and a distortion of light with a wavelength of 555 nm after passing the camera optical lens 30 according to Embodiment 3, in which a field curvature S is a field curvature in a sagittal direction and T is a field curvature in a tangential direction.

Table 25 in the following lists values corresponding to the respective conditions. In the present Embodiment 3 in order to satisfy the above conditions.

In the present embodiment, an entrance pupil diameter (ENPD) of the camera optical lens is 1.609 mm. An image height of 1.0H is 2.897 mm. An FOV is 76.20°. Thus, the camera optical lens 30 satisfies design requirements of large aperture, ultra-thin and wide-angle while the on-axis and off-axis aberrations are sufficiently corrected, thereby achieving excellent optical characteristics.

Embodiment 4

Embodiment 4 is basically the same as Embodiment 1 and involves symbols having the same meanings as Embodiment 1, and only differences therebetween will be described in the following.

FIG. 13 shows a schematic diagram of a structure of a camera optical lens 40 according to Embodiment 4 of the present invention. A third lens L3 has a positive refractive power. The third lens L3 has an object side surface being convex in a paraxial position, and an image side surface being concave in the paraxial position. Tables 13 and 14 show the design data of a camera optical lens 40 in Embodiment 4 of the present invention.

TABLE 13 R d nd vd S1  ∞  d0 = −0.174 R1  1.353  d1 =  0.580 nd1 1.5444 v1 55.82 R2  6.085  d2 =  0.050 R3  15.238  d3 =  0.231 nd2 1.6610 v2 20.53 R4  4.148  d4 =  0.374 R5  850693.831  d5 =  0.416 nd3 1.5444 v3 55.82 R6  4637197.092  d6 =  0.414 R7  8.080  d7 =  0.490 nd4 1.5444 v4 55.82 R8  −1.854  d8 =  0.324 R9  −7.850  d9 =  0.381 nd5 1.5346 v5 55.69 R10 1.247 d10 =  0.396 R11 ∞ d11 =  0.210 ndg 1.5168 vg 64.17 R12 ∞ d12 =  0.252

Table 14 shows aspherical surface data of each lens of the camera optical lens 40 in Embodiment 4 of the present invention.

TABLE 14 Conic coefficient Aspheric surface coefficients k A4 A6 A8 A10 A12 R1  1.2956E−01 −4.4578E−02  4.0621E−01 −3.6791E+00  2.0331E+01 −7.1432E+01  R2  −3.0169E+01  −2.9762E−01  4.2915E−01 −1.5492E+00  1.6288E+01 −8.4270E+01  R3  −2.1291E+02  −2.8233E−01  5.4532E−01 2.3136E−01 4.0341E+00 −3.8148E+01  R4  −7.8586E+01  4.8414E−02 7.9215E−01 −6.4169E+00  4.8329E+01 −2.2200E+02  R5  4.8993E+02 −2.7120E−01  2.9401E−01 −3.1153E+00  2.1775E+01 −8.7207E+01  R6  −6.7614E+02  −2.2086E−01  −4.8983E−02  −1.1109E−01  1.1815E+00 −3.5900E+00  R7  1.4716E+01 1.7317E−01 −6.2424E−01  1.3475E+00 −2.1221E+00  2.1780E+00 R8  −3.6575E−02  4.4377E−01 −8.4349E−01  1.3320E+00 −1.3388E+00  8.3875E−01 R9  1.3131E+01 −1.8581E−01  −2.8397E−01  6.7080E−01 −5.4246E−01  2.4214E−01 R10 −6.8661E+00  −1.8394E−01  7.4693E−02 1.6876E−02 −3.4688E−02  1.7981E−02 Conic coefficient Aspheric surface coefficients k A14 A16 A18 A20 R1  1.2956E−01 1.5685E+02 −2.0916E+02  1.5500E+02 −4.9121E+01  R2  −3.0169E+01  2.3352E+02 −3.6946E+02  3.1508E+02 −1.1264E+02  R3  −2.1291E+02  1.2512E+02 −2.1307E+02  1.8898E+02 −6.9157E+01  R4  −7.8586E+01  6.1478E+02 −1.0096E+03  9.0713E+02 −3.4392E+02  R5  4.8993E+02 2.0625E+02 −2.8962E+02  2.2499E+02 −7.4857E+01  R6  −6.7614E+02  5.7063E+00 −5.1325E+00  2.4978E+00 −5.0872E−01  R7  1.4716E+01 −1.4594E+00  6.0760E−01 −1.4001E−01  1.3495E−02 R8  −3.6575E−02  −3.2980E−01  7.9532E−02 −1.0772E−02  6.2856E−04 R9  1.3131E+01 −6.5632E−02  1.0814E−02 −1.0012E−03  4.0126E−05 R10 −6.8661E+00  −5.0728E−03  8.3669E−04 −7.5615E−05  2.8924E−06

Table 15 and table 16 show Embodiment 4 design data of inflexion points and arrest points of respective lens in the camera optical lens 40 according to Embodiment 4 of the present invention.

TABLE 15 Number of Inflexion Inflexion Inflexion Inflexion inflexion point point point point points position 1 position 2 position 3 position 4 P1R1 0 / / / / P1R2 1 0.235 / / / P2R1 2 0.145 0.435 / / P2R2 0 / / / / P3R1 0 / / / / P3R2 1 1.005 / / / P4R1 2 0.635 1.335 / / P4R2 4 0.585 0.985 1.575 1.715 P5R1 2 0.975 1.945 / / P5R2 2 0.455 2.275 / /

TABLE 16 Number of Arrest Arrest arrest points point position 1 point position 2 P1R1 0 / / P1R2 1 0.455 / P2R1 2 0.265 0.535 P2R2 0 / / P3R1 0 / / P3R2 0 / / P4R1 1 0.875 / P4R2 0 / / P5R1 0 / / P5R2 1 1.055 /

FIG. 14 and FIG. 15 respectively illustrate a longitudinal aberration and a lateral color of light with wavelengths of 650 nm, 610 nm, 555 nm, 510 nm, 470 nm and 435 nm after passing the camera optical lens 30 according to Embodiment 4. FIG. 16 illustrates a field curvature and a distortion of light with a wavelength of 555 nm after passing the camera optical lens 40 according to Embodiment 4, in which a field curvature S is a field curvature in a sagittal direction and T is a field curvature in a tangential direction.

Table 25 in the following lists values corresponding to the respective conditions. In the present Embodiment 4 in order to satisfy the above conditions.

In the present embodiment, an entrance pupil diameter (ENPD) of the camera optical lens is 1.549 mm. An image height of 1.0H is 2.897 mm. An FOV is 78.40°. Thus, the camera optical lens 40 satisfies design requirements of large aperture, ultra-thin and wide-angle while the on-axis and off-axis aberrations are sufficiently corrected, thereby achieving excellent optical characteristics.

Embodiment 5

Embodiment 5 is basically the same as Embodiment 1 and involves symbols having the same meanings as Embodiment 1, and only differences therebetween will be described in the following. A second lens L2 has a positive refractive power. An object side surface of the second lens L2 is concave in a paraxial region and an image side surface of the second lens L2 is convex in the paraxial region.

FIG. 17 shows a schematic diagram of a structure of a camera optical lens 50 according to Embodiment 5 of the present invention. Tables 17 and 18 show the design data of a camera optical lens 50 in Embodiment 5 of the present invention.

TABLE 17 R d nd vd S1  ∞  d0 = −0.249 R1  1.240  d1 =  0.550 nd1 1.5444 v1 55.82 R2  3.005  d2 =  0.044 R3  −1740.840  d3 =  0.150 nd2 1.6610 v2 20.53 R4  −229.747  d4 =  0.474 R5  −4.761  d5 =  0.563 nd3 1.5444 v3 55.82 R6  −9.615  d6 =  0.273 R7  15.284  d7 =  0.559 nd4 1.5444 v4 55.82 R8  −1.824  d8 =  0.262 R9  −17.951  d9 =  0.412 nd5 1.5346 v5 55.69 R10 1.210 d10 =  0.432 R11 ∞ d11 =  0.210 ndg 1.5168 vg 64.17 R12 ∞ d12 =  0.268

Table 18 shows aspherical surface data of each lens of the camera optical lens 50 in Embodiment 5 of the present invention.

TABLE 18 Conic coefficient Aspheric surface coefficients k A4 A6 A8 A10 A12 R1  1.9917E−01 −4.0829E−02  3.6952E−01 −3.5863E+00  2.0288E+01 −7.1501E+01  R2  −4.1363E+00  −3.9812E−01  −3.6471E−02  −1.1136E+00  1.7947E+01 −8.4854E+01  R3  4.6327E+06 −4.2732E−01  8.3686E−01 1.8190E−01 3.7146E+00 −3.6569E+01  R4  −7.1178E−02  1.3519E+00 −5.9003E+00  4.5842E+01 −2.2210E+02  6.1848E+02 R5  3.6387E+00 −1.5411E−01  3.0061E−01 −3.4338E+00  2.2527E+01 −8.8738E+01  R6  −3.2755E+02  −1.3856E−01  −6.7965E−02  −1.3512E−01  1.2041E+00 −3.5518E+00  R7  1.0104E+00 1.8683E−01 −6.2828E−01  1.3397E+00 −2.1236E+00  2.1812E+00 R8  −4.4796E−02  4.5408E−01 −8.3488E−01  1.3307E+00 −1.3395E+00  8.3860E−01 R9  −4.6263E+03  −1.7715E−01  −2.8716E−01  6.7001E−01 −5.4254E−01  2.4212E−01 R10 −5.8920E+00  −1.7449E−01  6.7322E−02 1.8619E−02 −3.4686E−02  1.7971E−02 Conic coefficient Aspheric surface coefficients k A14 A16 A18 A20 R1  1.9917E−01 1.5672E+02 −2.0921E+02  1.5514E+02 −4.9140E+01  R2  −4.1363E+00  2.3058E+02 −3.7062E+02  3.1886E+02 −1.1273E+02  R3  4.6327E+06 1.2547E+02 −2.1745E+02  1.8999E+02 −6.6985E+01  R4  −7.1178E−02  −1.0082E+03  9.1429E+02 −3.6082E+02  0.0000E+00 R5  3.6387E+00 2.0795E+02 −2.8480E+02  2.1076E+02 −6.5402E+01  R6  −3.2755E+02  5.7110E+00 −5.1601E+00  2.4692E+00 −4.8604E−01  R7  1.0104E+00 −1.4582E+00  6.0784E−01 −1.4006E−01  1.3355E−02 R8  −4.4796E−02  −3.2981E−01  7.9540E−02 −1.0769E−02  6.2890E−04 R9  −4.6263E+03  −6.5631E−02  1.0815E−02 −1.0011E−03  4.0138E−05 R10 −5.8920E+00  −5.0750E−03  8.3642E−04 −7.5613E−05  2.9005E−06

Table 19 and table 20 show Embodiment 5 design data of inflexion points and arrest points of respective lens in the camera optical lens 50 according to Embodiment 5 of the present invention.

TABLE 19 Number of Inflexion Inflexion Inflexion Inflexion inflexion point point point point points position 1 position 2 position 3 position 4 P1R1 1 0.755 / / / P1R2 1 0.265 / / / P2R1 1 0.455 / / / P2R2 1 0.165 / / / P3R1 0 / / / / P3R2 1 1.005 / / / P4R1 2 0.595 1.255 / / P4R2 3 0.535 1.065 1.665 / P5R1 3 0.935 1.445 1.875 / P5R2 1 0.475 / / /

TABLE 20 Number of Arrest Arrest arrest points point position 1 point position 2 P1R1 0 / / P1R2 1 0.475 / P2R1 1 0.605 / P2R2 1 0.205 / P3R1 0 / / P3R2 0 / / P4R1 1 0.815 / P4R2 0 / / P5R1 0 / / P5R2 1 1.145 /

FIG. 18 and FIG. 19 respectively illustrate a longitudinal aberration and a lateral color of light with wavelengths of 650 nm, 610 nm, 555 nm, 510 nm, 470 nm and 435 nm after passing the camera optical lens 50 according to Embodiment 5. FIG. 20 illustrates a field curvature and a distortion of light with a wavelength of 555 nm after passing the camera optical lens 50 according to Embodiment 5, in which a field curvature S is a field curvature in a sagittal direction and T is a field curvature in a tangential direction.

Table 25 in the following lists values corresponding to the respective conditions.

In the present embodiment, an entrance pupil diameter (ENPD) of the camera optical lens is 1.574 mm. An image height of 1.0H is 2.897 mm. An FOV is 77.20°. Thus, the camera optical lens 50 satisfies design requirements of large apertures, ultra-thin and wide-angle.

Comparative Embodiment

Comparative Embodiment is basically the same as Embodiment 1 and involves symbols having the same meanings as Embodiment 1, and only differences therebetween will be described in the following. An image side surface of a first lens L1 is convex in a paraxial region. An object side surface of a third lens L3 is convex in the paraxial region and an image side surface of the third lens L3 is concave in the paraxial region. The third lens L3 has a positive refractive power.

FIG. 21 shows a schematic diagram of a structure of a camera optical lens 60 according to Comparative Embodiment. Tables 21 and 22 show the design data of a camera optical lens 60 in Comparative Embodiment.

TABLE 21 R d nd vd S1  ∞  d0 = −0.134 R1  1.637  d1 =  0.911 nd1 1.5444 v1 55.82 R2  −19.410  d2 =  0.033 R3  10.329  d3 =  0.246 nd2 1.6610 v2 20.53 R4  2.415  d4 =  0.300 R5  30.996  d5 =  0.518 nd3 1.5444 v3 55.82 R6  52.177  d6 =  0.353 R7  4.138  d7 =  0.463 nd4 1.5444 v4 55.82 R8  −1.917  d8 =  0.300 R9  −8.745  d9 =  0.354 nd5 1.5346 v5 55.69 R10 1.216 d10 =  0.374 R11 ∞ d11 =  0.210 ndg 1.5168 vg 64.17 R12 ∞ d12 =  0.232

Table 22 shows aspherical surface data of each lens of the camera optical lens 60 in Comparative Embodiment of the present invention.

TABLE 22 Conic coefficient Aspheric surface coefficients k A4 A6 A8 A10 A12 R1  4.0785E−01 −1.2792E−02  2.9665E−01 −3.5543E+00  2.0440E+01 −7.1496E+01  R2  −2.4576E+02  −1.5398E−01  5.5833E−01 −2.0019E+00  1.5939E+01 −8.3951E+01  R3  1.4984E+02 −1.7429E−01  3.3791E−01 7.1076E−02 3.7903E+00 −3.8332E+01  R4  −2.9891E+01  8.2905E−02 5.6971E−01 −6.6360E+00  4.8625E+01 −2.2157E+02  R5  5.6859E+02 −2.0743E−01  2.6091E−01 −3.0169E+00  2.1737E+01 −8.7189E+01  R6  −9.1280E+02  −1.9597E−01  −6.2300E−02  −8.2309E−02  1.1909E+00 −3.6004E+00  R7  −2.7085E+01  1.6787E−01 −6.0661E−01  1.3450E+00 −2.1229E+00  2.1781E+00 R8  −1.3133E−02  4.2935E−01 −8.4169E−01  1.3331E+00 −1.3387E+00  8.3874E−01 R9  1.5039E+01 −1.8104E−01  −2.8488E−01  6.7075E−01 −5.4244E−01  2.4214E−01 R10 −6.2160E+00  −1.7685E−01  7.4318E−02 1.6622E−02 −3.4693E−02  1.7984E−02 Conic coefficient Aspheric surface coefficients k A14 A16 A18 A20 R1  4.0785E−01 1.5672E+02 −2.0921E+02  1.5510E+02 −4.8948E+01  R2  −2.4576E+02  2.3459E+02 −3.6843E+02  3.1490E+02 −1.1578E+02  R3  1.4984E+02 1.2586E+02 −2.1128E+02  1.9053E+02 −7.5198E+01  R4  −2.9891E+01  6.1467E+02 −1.0112E+03  9.0648E+02 −3.4116E+02  R5  5.6859E+02 2.0611E+02 −2.8982E+02  2.2531E+02 −7.4844E+01  R6  −9.1280E+02  5.6928E+00 −5.1381E+00  2.4988E+00 −5.0393E−01  R7  −2.7085E+01  −1.4592E+00  6.0765E−01 −1.4001E−01  1.3479E−02 R8  −1.3133E−02  −3.2980E−01  7.9529E−02 −1.0773E−02  6.2836E−04 R9  1.5039E+01 −6.5633E−02  1.0814E−02 −1.0013E−03  4.0131E−05 R10 −6.2160E+00  −5.0718E−03  8.3675E−04 −7.5615E−05  2.8873E−06

Table 23 and table 24 show Comparative Embodiment design data of inflexion points and arrest points of respective lens in the camera optical lens 60 according to Comparative Embodiment of the present invention.

TABLE 23 Number of Inflexion Inflexion Inflexion Inflexion inflexion point point point point points position 1 position 2 position 3 position 4 P1R1 0 / / / / P1R2 0 / / / / P2R1 1 0.525 / / / P2R2 1 0.745 / / / P3R1 1 0.125 / / / P3R2 2 0.095 1.035 / / P4R1 3 0.645 1.315 1.465 / P4R2 4 0.625 0.985 1.415 1.755 P5R1 1 0.965 / / / P5R2 2 0.475 2.315 / /

TABLE 24 Number of Arrest Arrest arrest points point position 1 point position 2 P1R1 0 / / P1R2 0 / / P2R1 1 0.675 / P2R2 0 / / P3R1 1 0.205 / P3R2 1 0.155 / P4R1 1 0.935 / P4R2 0 / / P5R1 1 1.955 / P5R2 1 1.185 /

FIG. 22 and FIG. 23 respectively illustrate a longitudinal aberration and a lateral color of light with wavelengths of 650 nm, 610 nm, 555 nm, 510 nm, 470 nm and 435 nm after passing the camera optical lens 60 according to Comparative Embodiment. FIG. 24 illustrates a field curvature and a distortion of light with a wavelength of 555 nm after passing the camera optical lens 60 according to Comparative Embodiment, in which a field curvature S is a field curvature in a sagittal direction and T is a field curvature in a tangential direction.

Table 25 in the following lists values corresponding to the respective conditions. Comparative Embodiment does not satisfy the above condition 2.00≤R6/R5≤10.00.

In the present embodiment, an entrance pupil diameter (ENPD) of the camera optical lens is 1.574 mm. An image height of 1.0H is 2.897 mm. An FOV is 76.20°. Thus, the camera optical lens 60 does not satisfy design requirements of large aperture, ultra-thin and wide-angle.

TABLE 25 Parameters and Embodiment Embodiment Embodiment Embodiment Embodiment Comparative conditions 1 2 3 4 5 Embodiment f1/f  0.782 0.706 0.801 0.884 0.992 0.800 R3/R4 3.055 14.990 3.005 3.674 7.577 4.277 R6/R5 2.135 9.997 2.008 5.451 2.020 1.683 R7/R8 −3.897 −1.508 −11.958 −4.358 −8.379 −2.159  R9/R10 −6.040 −6.975 −3.009 −6.295 −14.836 −7.192 f  3.579 3.405 3.589 3.454 3.510 3.510 f1  2.800 2.404 2.873 3.055 3.482 2.807 f2  −7.722 −4.852 −8.842 −8.621 396.957 −4.788 f3  −28.697 −11.065 −26.458 1.907E+06 −18.006 138.605 f4  2.908 2.271 2.890 2.810 3.019 2.465 f5  −2.121 −2.015 −2.102 −1.977 −2.097 −1.966 f12 3.812 3.930 3.819 4.200 3.458 4.867 FNO 2.230 2.230 2.231 2.230 2.230 2.230 TTL 4.140 4.191 4.143 4.118 4.197 4.294

It is to be understood, however, that even though numerous characteristics and advantages of the present exemplary embodiments have been set forth in the foregoing description, together with details of the structures and functions of the embodiments, the disclosure is illustrative only, and changes may be made in detail, especially in matters of shape, size, and arrangement of parts within the principles of the invention to the full extent indicated by the broad general meaning of the terms where the appended claims are expressed. 

What is claimed is:
 1. A camera optical lens comprising, from an object side to an image side in sequence: a first lens having a positive refractive power, a second lens having a refractive power, a third lens having a refractive power, a fourth lens having a positive refractive power, and a fifth lens having a negative refractive power; wherein the camera optical lens satisfies the following conditions: 0.70≤f1/f≤1.00; 3.00≤R3/R4≤15.00; 2.00≤R6/R5≤10.00; −12.00≤R7/R8≤−1.50; and −15.00≤R9/R10≤−3.00; where, f: a focal length of the camera optical lens; f1: a focal length of the first lens; R3: a central curvature radius of an object side surface of the second lens; R4: a central curvature radius of an image side surface of the second lens; R5: a central curvature radius of an object side surface of the third lens; R6: a central curvature radius of an image side surface of the third lens; R7: a central curvature radius of an object side surface of the fourth lens; R8: a central curvature radius of an image side surface of the fourth lens; R9: a central curvature radius of an object side surface of the fifth lens; and R10: a central curvature radius of an image side surface of the fifth lens.
 2. The camera optical lens according to claim 1 further satisfying the following condition: 1.00≤d5/d6≤3.00, where, d5: an on-axis thickness of the third lens; and d6: an on-axis distance from the image side surface of the third lens to the object side surface of the fourth lens.
 3. The camera optical lens according to claim 1, wherein, the first lens has an object side surface being convex in a paraxial region; the camera optical lens further satisfies the following conditions: −4.81≤(R1+R2)/(R1−R2)≤−0.62; and 0.06≤d1/TTL≤0.22; where, R1: a central curvature radius of an object side surface of the first lens; R2: a central curvature radius of the image side surface of the first lens; d1: an on-axis thickness of the first lens; and TTL: a total optical length from the object side surface of the first lens of the camera optical lens to an image surface of the camera optical lens along an optical axis.
 4. The camera optical lens according to claim 1 further satisfying the following conditions: −4.99≤f2/f≤169.64; 0.57≤(R3+R4)/(R3−R4)≤3.00; and 0.02≤d3/TTL≤0.11; where, f2: a focal length of the second lens; d3: an on-axis thickness of the second lens; and TTL: a total optical length from an object side surface of the first lens of the camera optical lens to an image surface of the camera optical lens along an optical axis.
 5. The camera optical lens according to claim 1 further satisfying the following conditions: f3/f≥−16.04; −5.97≤(R5+R6)/(R5−R6)≤−0.81; and 0.05≤d5/TTL≤0.24; where, f3: a focal length of the third lens; d5: an on-axis thickness of the third lens; and TTL: a total optical length from an object side surface of the first lens of the camera optical lens to an image surface of the camera optical lens along an optical axis.
 6. The camera optical lens according to claim 1, wherein, the object side surface of the fourth lens is convex in a paraxial region and the image side surface of the fourth lens is convex in the paraxial region; the camera optical lens further satisfies the following conditions: 0.33≤f4/f≤1.29; 0.10≤(R7+R8)/(R7−R8)≤1.27; and 0.05≤d7/TTL≤0.20; where, f4: a focal length of the fourth lens; d7: an on-axis thickness of the fourth lens; and TTL: a total optical length from an object side surface of a first lens of the camera optical lens to an image surface of the camera optical lens along an optical axis.
 7. The camera optical lens according to claim 1, wherein, the object side surface of the fifth lens is concave in a paraxial region and the image side surface of the fifth lens is concave in the paraxial region; the camera optical lens further satisfies the following conditions: −1.19≤f5/f≤−0.38; 0.25≤(R9+R10)/(R9−R10)≤1.31; and 0.04≤d9/TTL≤0.15; where, f5: a focal length of the fifth lens; d9: an on-axis thickness of the fifth lens; and TTL: a total optical length from an object side surface of the first lens of the camera optical lens to an image surface of the camera optical lens along an optical axis.
 8. The camera optical lens according to claim 1 further satisfying the following condition: 0.49≤f12/f≤1.82; where, f12: a combined focal length of the first lens and the second lens.
 9. The camera optical lens according to claim 1 further satisfying the following condition: FOV≥74.68°; where, FOV: a field of view of the camera optical lens in a diagonal direction.
 10. The camera optical lens according to claim 1 further satisfying following condition: TTL/IH≤1.52; where, IH: an image height of the camera optical lens; and TTL: a total optical length from an object side surface of the first lens of the camera optical lens to an image surface of the camera optical lens along an optical axis. 